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8,455
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texts 8,455
COLLECTION
TOPIC
Natural history 788
Science 754
Zoology 666
Paleontology 546
Mollusks 360
Entomology 252
Geology 204
Science -- Periodicals 176
Birds 175
Harvard University. Museum of Comparative Zoology 172
Natural history -- Periodicals 153
Insects 148
Biology 147
Shells 123
Fishes 92
Mollusks, Fossil 76
Geology, Stratigraphic 71
Ethnology 65
Mathematics 64
Natural history -- Great Basin 58
Malayan languages 57
Natural history -- Societies, etc 53
Mollusca 45
Natuurlijke historie 45
Natural history -- Germany W©rttemberg Societies, etc 44
Philadelphia (Pa.) -- Learned institutions and societies 42
Amphibians 38
Geologie 37
Natural history -- United States 33
Invertebrates, Fossil 32
Botany 31
Mammals 31
Reptiles 31
Finland -- Periodicals 30
Insect pests 30
Marine biology 30
Animals 29
Lepidoptera 29
Zoology -- Periodicals 29
Invertebrates 28
Arachnida 27
Essex Institute 27
Medicine 27
Humanities 26
GEOLOGIA 24
Fisheries 23
Scienc 23
Essex County (Mass.) -- History Periodicals 22
Senckenbergische Naturforschende Gesellschaft 22
Biology -- Periodicals 21
Academy of Science of St. Louis 20
Anatomy, Comparative 20
Ecology 20
Infusoria 20
Religion and science 20
Sports 20
Botany -- Periodicals 19
Geology -- Periodicals 19
Fish-culture 18
Fishing 18
Natural history -- California San Diego 18
Natural history -- California, Southern 18
Crustacea 17
Beetles 16
Beneficial insects 16
Fossils 16
Myriapoda 16
Parasites 16
Public Health 16
Worms 16
Entomological Society of Ontario 15
Mites 15
Paleontologie 15
Butterflies 14
Mammals, Fossil 14
Marine biology -- Great Britain Periodicals 14
Oceanography 14
Ornithology 14
Entomologie 13
Herpetology 13
Moths 13
Royal Society of Arts and Sciences of Mauritius 13
Scientific expeditions 13
Corals, Fossil 12
Dierkunde 12
Frogs 12
Game and game-birds 12
Natural history -- North Carolina 12
Science -- Societies, etc 12
Zoologie 12
Anthropology 11
Jellyfishes 11
Natural history -- Denmark Periodicals 11
Snakes 11
Cnidaria 10
Corals 10
Gastropoda 10
Include 10
Iowa Academy of Science 10
Larvae 10
Learned institutions and societies 10
Marine animals 10
Physical geography -- Periodicals 10
Science -- Iowa Periodicals 10
Voyages and travels -- Periodicals 10
Amphibians -- United States 9
Caterpillars 9
Fishes -- Great Britain 9
Helminths 9
Mineralogy -- Periodicals 9
Natural history -- Illinois 9
Paleontology -- Periodicals 9
Rats 9
Reptiles -- United States 9
Ammonoidea 8
Anatomy 8
Echinodermata 8
Nervous system 8
Spiders 8
Amphibians -- Asia Periodicals 7
Animal behavior 7
Anura 7
Botany -- Hawaii 7
Ethnology -- Hawaii 7
Ethnology -- Polynesia 7
Fishery law and legislation 7
Fishes, Fossil 7
Histology 7
Lizards 7
Microorganisms 7
Natural History 7
Natural Science Disciplines 7
Petrology 7
Polynesia 7
Polynesia -- Antiquities 7
Radiolaria 7
Reptiles -- Asia Periodicals 7
Rodents 7
Sea urchins 7
Sea urchins, Fossil 7
Trilobites 7
Vermont Bird Club 7
Vermont Botanical Club 7
Zoology -- Hawaii 7
Cephalopoda 6
Cephalopoda, Fossil 6
Embryology 6
Ethnology -- Periodicals 6
Fishery resources 6
Fishes -- Anatomy 6
Hawaii -- Periodicals 6
Horses 6
Hummingbirds 6
Natural history -- Polynesia Periodicals 6
Paléontologie 6
Prehistoric peoples 6
Salamanders 6
Serpents 6
Technology 6
Turtles 6
Vertebrates 6
Vertebrates, Fossil 6
Aquariums 5
Arts 5
Birds, Fossil 5
Cattle 5
Challenger Expedition (1872-1876) 5
Chondrichthyes 5
Ciliata 5
De Giovanni, Achille 5
Dogs 5
Embryology, Human 5
Fish culture 5
Helminthology 5
Human anatomy 5
Maggi, Leopoldo, 1840-1905 5
Michigan Ornithological Club 5
Mineralogy 5
Radiolaria, Fossil 5
Reptile 5
Reptiles, Fossil 5
Rhizopoda 5
Royal Asiatic Society of Great Britain and Ireland. North-China Branch 5
Zoja, Giovanni 5
Amphibians -- Anatomy 4
Amphibians -- Great Britain 4
Bats 4
British Museum (Natural History). Dept. of Zoology 4
Bryozoa 4
Deer 4
Echinodermata, Fossil 4
Fishes -- United States 4
Fossils -- West (U.S.) 4
Fragilariaceae 4
Freshwater fishes 4
Geographical distribution of birds 4
Hylidae 4
Ichthyology 4
Indian Museum 4
Mendelssohn, Maurice 4
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